Tokens-based adaptive video processing arrangement
US5768561A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4621
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multi-standard video decompression apparatus has a plurality of stages interconnected by a two-wire interface arranged as a pipeline processing machine. Control tokens and DATA Tokens pass over the single two-wire interface for carrying both control and data in token format. A token decode circuit is positioned in certain of the stages for recognizing certain of the tokens as control tokens pertinent to that stage and for passing unrecognized control tokens along the pipeline. Reconfiguration processing circuits are positioned in selected stages and are responsive to a recognized control token for reconfiguring such stage to handle an identified DATA Token. A wide variety of unique supporting subsystem circuitry and processing techniques are disclosed for implementing the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.